3
Visual Studio,暗示document.body
是HTMLElement
,而不是HTMLBodyElement
,這是爲什麼? - 我沒有運氣尋找答案。爲什麼document.body不是HTMLBodyElement?
class Test {
documentBody1: HTMLBodyElement;
documentBody2: HTMLElement;
constructor(){
this.documentBody1 = document.body; //wrong
this.documentBody2 = document.body; //right
}
}